Marking elements



FIG. 1 is a perspective view of the marking elements showing my new design;

FIG. 2 is a further perspective view of the marking elements;

FIG. 3 is a front view of the marking elements;

FIG. 4 is a right side view of the marking elements;

FIG. 5 is a left side view of the marking elements;

FIG. 6 is a rear view of the marking elements; and,

FIG. 7 is a bottom view of the marking elements. 

CLAIM The ornamental design for marking elements, as shown and described. 